<p>Yea, don't <code>release</code> manually.<br>
The macros get populated depending on availability of ARC: <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/blob/Cog/platforms/iOS/vm/SqueakPureObjc_Prefix.pch">https://github.com/OpenSmalltalk/opensmalltalk-vm/blob/Cog/platforms/iOS/vm/SqueakPureObjc_Prefix.pch</a></p>
<p>So, when ARC is present (it mostly is nowadays), both macros do exaclty nothing.</p>

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